Question

Let R be set of points inside a rectangle of sides a and b (a, b > 1) with two sides
along the positive direction of x-axis and y-axis. Then......see the attachment plz​

Answer 1

R = {(x, y) : 0 < x < a, 0 < y < b}

Therefore, option (D) is correct.

Step-by-step explanation:

If R is set of points inside s rectangle of sides a and b and the two sides of the rectangle are along the positive direction of x-axis, with one corner at the origin

Then

The length of the rectangle will be a and breadth will be b

If the points are to lie inside the rectangle

Then x > 0 but x < a and y > 0 but y < b

This can be written as

R = {(x, y) : 0 < x < a, 0 < y < b}

Hope this answer is helpful.

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